Plant resistance and leaf chemical characteristic jointly shape phyllosphere bacterial community

Tian, Xueliang; Dan, Xu; Sun, Tingting; Zhao, Songyu; Li, Ying; Wang, Diandong

doi:10.1007/s11274-020-02908-0

Cited by 15 publications

(18 citation statements)

References 46 publications

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“…2), which reflected in no significant reduction in richness and diversity of both prokaryotic and eukaryotic communities on resistant cultivar upon challenge with Xanthomonas . This result is in line with the findings of resistant maize having higher richness and diversity than the susceptible hybrids against southern and northern corn leaf blight (72,73). However, contrasting results were seen with higher bacterial richness and diversity in sugarcane cultivars susceptible to brown rust (74) and pumpkin against powdery mildew (75), suggesting interactions between host and pathogen can be an influential factor in shaping the plant microbiome in resistant cultivars.…”

Section: Discussionsupporting

confidence: 90%

Biotic and abiotic stress distinctly drive the phyllosphere microbial community structure

Bhandari

Sanz‐Sáez²,

Leisner

et al. 2022

Preprint

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While the physiological and transcriptional response of the host to biotic and abiotic stresses have been intensely studied, little is known about the resilience of associated microbiomes and their contribution towards tolerance to these stresses. We evaluated the impact of one such abiotic stress, elevated tropospheric ozone (O3), under open-top chamber field conditions on host susceptibility and phyllosphere microbiome associated with pepper cultivars resistant and susceptible to Xanthomonas. Pathogen challenge resulted in distinct microbial community structures in both cultivars under an ambient environment. Elevated O3alone affected microbial community structure associated with resistant cultivar but not the susceptible cultivar, indicating the role of host genotypic background in response to abiotic stress. Elevated O3did not influence overall host susceptibility but did increase disease severity on the resistant cultivar, indicating a possible compromise in the resistance. Interestingly, combined stress resulted in a shift in microbial composition and structure like that observed with pathogen challenge alone. It indicates the possible prioritization of community response towards the most significant stress and pathogen being most influential regardless of the cultivar. Despite community composition differences, overall functional redundancy was observed in the phyllosphere community. To gain insights into community-level interactions, network topology assessment indicated a stable network with enhanced taxon connectedness upon pathogen challenge. However, an observation of destabilized random network with a shift in hub taxa in the presence of combined stress warrants future studies on the consequences of such unstable microbial communities on host response to pathogens in the face of climate change.

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Section: Discussionsupporting

confidence: 90%

Biotic and abiotic stress distinctly drive the phyllosphere microbial community structure

Bhandari

Sanz‐Sáez²,

Leisner

et al. 2022

Preprint

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“…In these non-saline habitats: (ⅰ) members of the genus Tumebacillus were most widely distributed in the soil, followed by human and animal surfaces (skin) and plant rhizosphere (). Members of the genus Tumebacillus have been shown to be an important group of rhizosphere bacteria to promote the growth of plants and biomarker species for plants' resistance to pathogen infection [11, 12]; (ⅱ) members of the genus Tumebacillus had high abundance in human- and animal-associated environments, including skin, gut, secretions and surfaces of living environments and even the air that is breathed (). Obviously, members of the genus Tumebacillus are widespread in every corner of our lives, including the surfaces and interiors of our bodies, air, indoor surfaces, dust, water, soil, the animals and plants we keep, etc., which implied that members of the genus Tumebacillus may affect human life and health.…”

Section: Resultsmentioning

confidence: 99%

“…3). Members of the genus Tumebacillus have been shown to be an important group of rhizosphere bacteria to promote the growth of plants and biomarker species for plants' resistance to pathogen infection [11,12]; (ⅱ) members of the genus Tumebacillus had high abundance in human-and animal-associated environments, including skin, gut, secretions and surfaces of living environments and even the air that is breathed (Fig. 3).…”

Section: Habitat Distribution Of Members Of the Genus Tumebacillusmentioning

confidence: 99%

“…With respect to their ecological functions, members of the genus Tumebacillus have been proposed to be potential sulfadiazine-degraders and to play a major role in removal of sulfonamides in soil ecosystems [10]. Members of the genus Tumebacillus are an important constituent members of rhizosphere microbiomes with a strong root colonization ability [11] and have ability to promote plant growth and enhance plant disease resistance [11, 12].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Tumebacillus lacus sp. nov., isolated from lake water

Zhang,

Gao,

et al. 2023

International Journal of Systematic and Evolutionary Microbiology

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A Gram-stain-positive, aerobic, rod-shaped, endospore-forming and motile, by means of peritrichous flagella, bacterium, designated DT12T, was isolated from a lake water sample from Datun Lake of Yunnan Province, PR China. The results of phylogenetic analysis based on 16S rRNA gene sequence and the concatenated alignment of 120 ubiquitous single-copy proteins indicated that the novel strain represented a member of the genus Tumebacillus . The sole quinone was menaquinone-7 and the cell-wall peptidoglycan was type-A1γ. The major fatty acids (>10 %) of the novel strain were iso-C15 : 0 and anteiso-C15 : 0, while the major polar lipids were phosphatidylmonomethylethanolamine, phosphatidylethanolamine and phosphatidylglycerol. The results of phylogenetic analyses combined with phylogenetic, phenotypic and chemotaxonomic features, strongly supported the hypothesis that the strain should be classified as representing a novel species of the genus Tumebacillus , for which the name Tumebacillus lacus sp. nov. is proposed. The type strain is DT12T (=KCTC 33958T= MCCC 1H00320T). The genomic analysis revealed that DT12T has various biosynthetic gene clusters for secondary metabolites, and members of the genus Tumebacillus may represent a promising source of new natural products. Our study also showed that members of the genus Tumebacillus are widely distributed in a variety of habitats throughout the globe, particularly in soils, human-, animal- and plant-associated environments. Members of the genus Tumebacillus may have an important role in the growth and health of humans, plants and animals.

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“…A number of studies in maize, Arabidopsis, rye grass and lettuce have investigated the genetic control of endophytic community by the plant host ( Horton et al., 2014 ; Faville et al., 2015 ; Wallace et al., 2018 ; Damerum et al., 2021 ). It has further been shown that specific genetic regions control the association between plants and beneficial microbes ( Vidotti et al., 2019 ; Yassue et al., 2021 ; Brachi et al., 2022 ), and that there is variation in the phyllosphere microbiome between resistant and susceptible genotypes( Balint-Kurti et al., 2010 ; Ginnan et al., 2020 ; Xueliang et al., 2020 ). This is, however, the first study to investigate QTLs that potentially affect endophyte recruitment in woody tissues and their association with resistance to European canker.…”

Section: Discussionmentioning

confidence: 99%

Quantitative trait loci associated with apple endophytes during pathogen infection

et al. 2023

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The plant phyllosphere is colonized by microbial communities that can influence the fitness and growth of their host, including the host’s resilience to plant pathogens.There are multiple factors involved in shaping the assemblages of bacterial and fungal endophytes within the phyllosphere, including host genetics and environment. In this work, the role of host genetics in plant-microbiome assembly was studied in a full-sibling family of apple (Malus x domestica) trees infected with the fungal pathogen Neonectria ditissima. A Quantitative Trait Loci (QTL) analysis showed that there are multiple loci which influence the abundance of individual endophytic taxa, with the majority of QTL having a moderate to large effect (20-40%) on endophyte abundance. QTL regions on LG 1, 3, 4, 5, 10, 12, 13, 14 and 15 were shown to affect multiple taxa. Only a small proportion of the variation in overall taxonomic composition was affected by host genotype, with significant QTL hits for principal components explaining <8% and <7.4% of the total variance in bacterial and fungal composition, respectively. Four of the identified QTL colocalised with previously identified regions associated with tolerance to Neonectria ditissima. These results suggest that there is a genetic basis shaping apple endophyte composition and that microbe-host associations in apple could be tailored through breeding.

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Plant resistance and leaf chemical characteristic jointly shape phyllosphere bacterial community

Cited by 15 publications

References 46 publications

Biotic and abiotic stress distinctly drive the phyllosphere microbial community structure

Biotic and abiotic stress distinctly drive the phyllosphere microbial community structure

Tumebacillus lacus sp. nov., isolated from lake water

Quantitative trait loci associated with apple endophytes during pathogen infection

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